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Re: condition-case
From: |
Ted Zlatanov |
Subject: |
Re: condition-case |
Date: |
Mon, 13 Dec 2010 11:12:31 -0600 |
User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) |
On Fri, 10 Dec 2010 16:43:46 -0500 Stefan Monnier <monnier@iro.umontreal.ca>
wrote:
PJB> There's no condition-bind to wrap over.
PJB> I'm not sure it would be possible to implement handler-bind without
PJB> patching the virtual machine.
>> Stefan, WDYT? Is `condition-bind' possible in today's GNU Emacs? I
>> mean does the VM have any constraints that would block it?
SM> There used to be some allowance made in the C code for such a feature,
SM> but since it was never used it bit-rotted and has "recently" been more
SM> actively removed. So adding a condition-bind or something like that
SM> would require a fair bit of work, I think. There is still some support
SM> for part of it since errors can jump into the debugger, but currently
SM> the debugger cannot return to the source of the error, it can only jump
SM> back up the stack like condition-case does.
I also notice no one has complained in the last few years that
`condition-case' is insufficient. So maybe `condition-bind' is simply
not necessary.
Ted
- Re: condition-case, (continued)
- Re: condition-case, Pascal J. Bourguignon, 2010/12/08
- Re: condition-case, Ted Zlatanov, 2010/12/08
- Re: condition-case, Stefan Monnier, 2010/12/08
- Re: condition-case, Ted Zlatanov, 2010/12/08
- Re: condition-case, Stefan Monnier, 2010/12/08
- Re: condition-case, Ted Zlatanov, 2010/12/08
- Re: condition-case, Pascal J. Bourguignon, 2010/12/08
- Re: condition-case, Stefan Monnier, 2010/12/09
- Re: condition-case, Ted Zlatanov, 2010/12/10
- Re: condition-case, Stefan Monnier, 2010/12/10
- Re: condition-case,
Ted Zlatanov <=
- Re: condition-case, Ted Zlatanov, 2010/12/13
- Re: condition-case, Stefan Monnier, 2010/12/15
- Re: condition-case, Ted Zlatanov, 2010/12/15
- Re: condition-case, Stefan Monnier, 2010/12/16
- Re: condition-case, Pascal J. Bourguignon, 2010/12/08
- Re: condition-case, Elena, 2010/12/09
- Re: condition-case, Pascal J. Bourguignon, 2010/12/09